Thinking of selling Speedriven catted downpipes and catback
In September 2016 I installed the Speedriven catted downpipes and catback. These were purchased brand new from the team there and professionally installed by a hi-po shop in NH. This is a full 3 inch SS setup.
The install was pretty straightforward with only a few minor nuances which were documented on the forum and I also did before and after dyno's. In ECO mode (keep in mind in this setting you don't get full WOT among other things; shop didn't know non-AMG cars had dyno mode) I picked up 25whp everywhere in the power band. It provided a noticeable punch at WOT even in eco and you can also hear the turbos a bit better now
This is pure speculation but I would bet in sport or dyno mode there is even more power to be had.This exhaust, if I sell it, should fit all 2012-2014 E550 4matic sedans. Maybe one or the other fits the coupe or vert, I don't really know. May fit AMG sedans as well with a few hanger tweaks.
Why am I selling it? Well, it's TOTALLY obvious this is an aftermarket exhaust. I have 3 years of CPO warranty, and I am almost certain my ***** will be busted by my local dealer, even though they know the car and like me. It's LOUD on cold start and I feel bad for my neighbors. It's not intrusive into the cabin but you definitely hear it and I have a young family. Candidly my 3 year old loves it and my wife doesn't mind it.
So, I took another approach and bought a the E63 AMG exhaust system (catted downpipes and catback) off of the same vintage car. I expect that this will generate little to no excitement with the dealer and also that it may be a touch quieter.
What may drive whether I sell these or the AMG stuff are what they are worth. I know I will lose money, that's ok, but what is a fair price for an almost new $5000 exhaust?
Thanks,
Brian
So you made up your mind and going the full AMG route?
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While I will document a full thread on it eventually, I am actually really happy with the AMG exhaust. It's got a meaner tone at idle and isn't quite as loud both inside and outside the vehicle. I'm happy with it after less than a day

No dyno numbers yet - but will get those once I can make a trip back to the shop that did the work.


